Home / 191,590.14-264,399.93-105,554.64

Finding the Fourth Proportional to 191,590.14, 264,399.93 and 105,554.64

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Solution

The fourth proportional to 191,590.14, 264,399.93 and 105,554.64 is: 145,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,590.14 : 264,399.93 = 105,554.64 : x
  2. Step 2: Convert to fraction form
    191,590.14/264,399.93 = 105,554.64/x
  3. Step 3: Cross multiply
    191,590.14x = 264,399.93 × 105,554.64
  4. Step 4: Simplify right side
    191,590.14x = 27,908,639,427.18
  5. Step 5: Solve for x
    x = 27,908,639,427.18/191,590.14
  6. Step 6: Final answer
    x = 145,668.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.